Home / 613,969,663.80-919,760,102.10-370,910,566.20

Finding the Fourth Proportional to 613,969,663.80, 919,760,102.10 and 370,910,566.20

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Solution

The fourth proportional to 613,969,663.80, 919,760,102.10 and 370,910,566.20 is: 555,644,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,969,663.80 : 919,760,102.10 = 370,910,566.20 : x
  2. Step 2: Convert to fraction form
    613,969,663.80/919,760,102.10 = 370,910,566.20/x
  3. Step 3: Cross multiply
    613,969,663.80x = 919,760,102.10 × 370,910,566.20
  4. Step 4: Simplify right side
    613,969,663.80x = 341,148,740,238,080,832
  5. Step 5: Solve for x
    x = 341,148,740,238,080,832/613,969,663.80
  6. Step 6: Final answer
    x = 555,644,293.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.